Cisco 8831 IP Unified Conference VoIP Phone CP-8831-K9= PoE Support (Refurbished)

Cisco 8831 IP Conference Phone (CP-8831-K9=)

The Cisco 8831 IP Conference Phone will provide users with flexible deployment options such as expansion by using optional extension microphones. This conference phone offers a detached control panel so the display can be easily viewed.

Features:

• Adjustable ringing and volume levels
• Adjustable display brightness
• Application launch pad
• Auto-answer
• Auto-detection of headset
• Call forward
• Call history lists, call timer call waiting, caller ID
• Corporate directory
• Conference, direct transfer, fast-dial service, hold, immediate divert, join
• Message-waiting indicator, music on hold, mute
• Network profiles (automatic)
• On- and off-network distinctive ringing
• Ring tone per line appearance, shared line
• Time and date display, transfer, voicemail

Specifications:

• Survivable Remote Site Telephony (SRST)
• Superior wideband acoustics
• Expanded room coverage with support for daisy chaining two units
• Support for optional DECT wireless extension microphone: sold separately
• Session Initiation Protocol (SIP) signaling
• Device authentication and signaling encryption using Transport Layer Security (TLS) with Advanced Encryption Standard 128 (AES-128)
• Media encryption using Secure Real-Time Transport Protocol (SRTP) with AES-128
  Device authentication and signaling encryption